对象数组的使用方法

 1 #include <iostream>
 2 
 3 /* run this program using the console pauser or add your own getch, system("pause") or input loop */
 4 using namespace std;
 5 class Box
 6 {
 7     public:
 8         Box(int h=10,int w=12,int len=15):height(h),width(w),length(len){
 9         }
10         int volume();
11     private:
12         int height;
13         int width;
14         int length;
15 };
16 
17 int Box::volume()
18 {
19     return(height*width*length);
20 }
21 int main(int argc, char** argv) {
22     Box a[3]={
23     Box(10,12,15),
24     Box(15,18,20),
25     Box(16,20,26)
26     };
27     cout<<"volume of a[0] is "<<a[0].volume()<<endl;
28     cout<<"volume of a[1] is "<<a[1].volume()<<endl;
29     cout<<"volume of a[2] is "<<a[2].volume()<<endl;
30     return 0;
31 }